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Description
  • Teplotní šum je hlavním zdrojem napětťové nebo proudové fluktuace v piezokeramice. Spektralní hustota teplotního šumu je přímo úměrná seriovému odporu nahradního obvodu a nepřímo úměrna frekvenci. Poměr signál šum u senzoru závisí na geometri a polarizaci uzité piezokeramiky. Automitacká meřící soustava byla užita pro měření spektralní hustoty šumu. (cs)
  • Thermal noise is the main sources of voltage or current fluctuation in piezoceramic samples. Noise spectral density of thermal noise is proportional to sensor equivalent series resistance and decreases with increasing frequency. In the frequency range where sensor mechanical resonances appear noise spectral density may be expressed by the equation for thermal noise using equivalent series resistance value. Signal to noise ratio depends on sensor geometry and sample polarization. Automatic measuring set--up for noise spectral density measurements was used.
  • Thermal noise is the main sources of voltage or current fluctuation in piezoceramic samples. Noise spectral density of thermal noise is proportional to sensor equivalent series resistance and decreases with increasing frequency. In the frequency range where sensor mechanical resonances appear noise spectral density may be expressed by the equation for thermal noise using equivalent series resistance value. Signal to noise ratio depends on sensor geometry and sample polarization. Automatic measuring set--up for noise spectral density measurements was used. (en)
Title
  • NOISE CHRACTERISTICS OF PIEZOCERAMICS SAMPLES
  • NOISE CHRACTERISTICS OF PIEZOCERAMICS SAMPLES (en)
  • Šumové charakteristiky piezokeramických vzorků (cs)
skos:prefLabel
  • NOISE CHRACTERISTICS OF PIEZOCERAMICS SAMPLES
  • NOISE CHRACTERISTICS OF PIEZOCERAMICS SAMPLES (en)
  • Šumové charakteristiky piezokeramických vzorků (cs)
skos:notation
  • RIV/00216305:26220/04:PU46048!RIV06-GA0-26220___
http://linked.open.../vavai/riv/strany
  • 36-39
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA205/03/0071), Z(MSM 262200022)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 576333
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/04:PU46048
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Piezoceramic, Piezoelectric, Noise, Measurement set-up, Frequency dependence, Thermal noise (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [C754086FB207]
http://linked.open...v/mistoKonaniAkce
  • Brno
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • New Trends in Physics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Majzner, Jiří
  • Šikula, Josef
  • Havránek, Jan
  • Hefner, Štěpán
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Ing. Zdeněk Novotný CSc.
https://schema.org/isbn
  • 80-7355-024-5
http://localhost/t...ganizacniJednotka
  • 26220
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